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Finding the Fourth Proportional to 294.36, 439.44 and 292.32

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Solution

The fourth proportional to 294.36, 439.44 and 292.32 is: 436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.36 : 439.44 = 292.32 : x
  2. Step 2: Convert to fraction form
    294.36/439.44 = 292.32/x
  3. Step 3: Cross multiply
    294.36x = 439.44 × 292.32
  4. Step 4: Simplify right side
    294.36x = 128,457.10
  5. Step 5: Solve for x
    x = 128,457.10/294.36
  6. Step 6: Final answer
    x = 436.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.